Display apparatus having a threshold voltage and mobility...

Details Display apparatus having a threshold voltage and mobility... Display apparatus having a threshold voltage and mobility...

2011-08-09

2011-08-09

Nguyen, Chanh (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S078000

Reexamination Certificate

active

07995013

ABSTRACT:
In a display apparatus, as shown in FIG.1,by using a reference signal, a shift register and a logical operation circuit generate a driving signal in periods for correcting a threshold voltage based on a rectangular wave signal. Also by using the reference signal, a write signal in a mobility correcting period is generated by an inverter, a NAND circuit, a level conversion circuit, a buffer circuit, a driving power generating unit, and a low-pass filter including a resistor and a capacitor. The signals are separately generated and are selectively output. Thus, excessive or insufficient mobility correction based on emission brightness can be prevented.

REFERENCES:
patent: 5684365 (1997-11-01), Tang et al.
patent: 2005/0007357 (2005-01-01), Yamashita et al.
patent: 2005/0269959 (2005-12-01), Uchino et al.
patent: 2006/0061560 (2006-03-01), Yamashita et al.
patent: 2006/0114200 (2006-06-01), Yamashita et al.
patent: 08-234683 (1996-09-01), None

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